The Gallery of Bikolano Ecclesiastics is a showcase of the memorabilia of prominent Bikolano bishops, old scholastic records, a directory of the Bikol clergy, books owned by Jorge Barlin and archival materials, which all give evidence of the ecclesiastical education of the Bikolanos.
The Ecclesiastical Vessel and Artifacts Room is a mixed collection of liturgical materials: monstrances, chalices, candelabras, and candeleros, retablos, and other pieces-all reminders of the devotions of the past, the Christian heritage of the Filipinos.
The Marian Room is a collection of pictures of the canonical coronation in 1924 of the Virgin of Penafrancia. There are water color paintings of the different Marian images venerated in the different parishes of the Archdiocese of Caceres.
Of the most interest and significance is the Archaeological Room. The collection of Pre-Christian artifacts consists of Neolithic stone technology unearthed mostly in the Bikol Region such as stone tools; harkcloth heaters and burial jars and covers which reveal the animistic beliefs of our ancient people. There are iron blades of the Metal age and stone animals, and crude pottery vessels for cooking. Shell beads, glass beads and metal bracelets are on display, together with teeth decorated with golden designs of star, flowers, etc. Chinese tradewares from the Tang to Ching dynasties, Aunamese and Sawankalok wares, jarlets and celadous of all kinds. The collection is owned by Mr. Ermelo N. Almeda, an archeologist and a prominent citizen of Naga City .
The museum was declared a national historical landmark on September 9, 1988. From a humble vocation house of the eighteen century, it has emerged as a center and well-spring of ecclesiastical education in the Bicol region.